OpenTechnical

OT-2026-000020904

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000020904) never changes.

Identity and time

Publication numberOT-2026-000020904 · never reused
Internal UUID01a0ae6f-65e3-7417-89d7-a1fa6cfe8fd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020904
StatusPUBLIC

Content hashes

Canonical text60684575b35f58eafc85812bd4884bae3c51ad05735afb971d27e7de0c4d5d20
Markdowna1fde6a7fc88dffd932ceeea91c95bd4d2a4dc66789e6af1ce0f766a4a6d6c97
PDF
Publication page98fcb5dd5bc003c9be51a06d3654db79bbc6c86988e1bab42cb2dfad831a1a85
Manifest1c95c53a3f320314f663151e04c3e6f896bc3a83d83d17700f3412f99e664190

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureE/r0aaXHUaL+Qh2/7UpmunaQjHVenmgfTpcWqy+VaOsuXGOiKpxCZ1CB7oqGRh6G9T7ljZPOKuS69DyTesW7DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:01.299763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020904
observed 98fcb5dd5bc003c9be51a06d3654db79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.281874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020904/manifest.json
observed 1c95c53a3f320314f663151e04c3e6f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.263399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020904/publication.md
observed a1fde6a7fc88dffd932ceeea91c95bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.244025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020904/publication.txt
observed 60684575b35f58eafc85812bd4884bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.